diff options
Diffstat (limited to 'metadata/glsa/glsa-201201-12.xml')
| -rw-r--r-- | metadata/glsa/glsa-201201-12.xml | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/metadata/glsa/glsa-201201-12.xml b/metadata/glsa/glsa-201201-12.xml new file mode 100644 index 000000000000..0bd1787b29ee --- /dev/null +++ b/metadata/glsa/glsa-201201-12.xml @@ -0,0 +1,68 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="201201-12"> + <title>Tor: Multiple vulnerabilities</title> + <synopsis>Multiple vulnerabilities have been found in Tor, the most severe of + which may allow a remote attacker to execute arbitrary code. + </synopsis> + <product type="ebuild">Tor</product> + <announced>January 23, 2012</announced> + <revised>January 23, 2012: 1</revised> + <bug>388769</bug> + <bug>394969</bug> + <access>remote</access> + <affected> + <package name="net-misc/tor" auto="yes" arch="*"> + <unaffected range="ge">0.2.2.35</unaffected> + <vulnerable range="lt">0.2.2.35</vulnerable> + </package> + </affected> + <background> + <p>Tor is an implementation of second generation Onion Routing, a + connection-oriented anonymizing communication service. + </p> + </background> + <description> + <p>Multiple vulnerabilities have been discovered in Tor:</p> + + <ul> + <li>When configured as client or bridge, Tor uses the same TLS + certificate chain for all outgoing connections (CVE-2011-2768). + </li> + <li>When configured as a bridge, Tor relays can distinguish incoming + bridge connections from client connections (CVE-2011-2769). + </li> + <li>An error in or/buffers.c could result in a heap-based buffer overflow + (CVE-2011-2778). + </li> + </ul> + </description> + <impact type="normal"> + <p>A remote attacker could possibly execute arbitrary code or cause a + Denial of Service. Furthermore, a remote relay the user is directly + connected to may be able to disclose anonymous information about that + user or enumerate bridges in the user's connection. + </p> + </impact> + <workaround> + <p>There is no known workaround at this time.</p> + </workaround> + <resolution> + <p>All Tor users should upgrade to the latest version:</p> + + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=net-misc/tor-0.2.2.35" + </code> + + </resolution> + <references> + <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2768">CVE-2011-2768</uri> + <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2769">CVE-2011-2769</uri> + <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2778">CVE-2011-2778</uri> + </references> + <metadata timestamp="Sun, 01 Jan 2012 17:49:33 +0000" tag="requester"> + underling + </metadata> + <metadata timestamp="Mon, 23 Jan 2012 19:55:45 +0000" tag="submitter">ackle</metadata> +</glsa> |